Mary Habicht (born December 10, 1943) is an American former tennis player.

Habicht, a left-handed player, was active on tour in the 1960s.

[1] An American of German-Irish descent, Habicht was living in São Paulo when she started on tour and some sources have her competing as a Brazilian.

[2] She was seeded 12th at the 1963 French Championships and made it to the fourth round, where she lost to Ann Jones.

[3] In 1966 she reached third round of the Wimbledon Championships.